Syllabus Vi Sem

VI Semester B.Tech. (E & E) EE-601

4 Hrs/Week POWER SYSTEM ANALYSIS

No. of questions to be set: 8( 2 from Unit-I, 3 from Unit-II & 3 from Unit-III) No. of questions to be answered: 5(1 from Unit-I, 2 from Unit-II & 2 from Unit-III) Unit -I Representation of power systems: One line diagram, impedance & reactance diagrams. Per unit notation selection & change of base for per unit quantities. Thevenin's model for power system, equivalent circuit in permit of three winding transformers, fixed tap changing transformers with off- nominal turns ratio ( TCUL not included). Network reduction using matrix algebra. Unit -II Symmetrical 3 phase faults: Short circuit currents and reactance of Synchronous machines. Short circuit current calculations of unloaded & loaded generators and power systems. Selection of circuit breakers, current-limiting reactors. Sequence components of line and phase voltages and currents of star-delta transformer banks. Sequence impedance's and networks of power system elements. Analysis of unsymmetrical faults in generator and power system under no load and loaded condition ( through fault impedance also). Unit -III Load flow studies: Formulation of Load flow equations, types of buses. Load flow solution techniques (using bus only) Gauss-seidel, Newton Raphson (in polar coordinates only), Decoupled, fast decoupled methods (including PV busses), DC load flow, Acceleration factors. TEXTBOOKS 1. 2. 3.

Nagrath and Kothari- Modern Power System Analysis (ED.2 )- TMH, 1989 Stevenson -- Elements of Power System Analysis (Ed 3) -MGH,1975. M.L. Soni, P.V. Gupta, U.S. Bhatnagar & A. Chakrabarty- A text book on Power system Engineering, Dhanpat Rai & Co. (P) Ltd. 2000

VI Semester B.Tech. (E & E) EE-602

4 Hrs/Week

ADVANCED CONTROL THEORY No. of questions to be set: 8(2 from Unit-I, 3 from Unit-II & 3 from Unit-III) No. of questions to.be answered: 5 (1 from Unit-I, 2 from Unit -II & 2 from Unit-III) Unit-I Sampled Data Control Systems, Sampling process, ideal sampler, Shannon's sampling theorem, zero order hold. The Z transform, mapping between s and z domains, definition and evaluation of z- transforms, the inverse z-transform, theorems and properties of ztransforms, the pulse transfer function, pulse transfer function of ZOH, System stability, z-plane stability, Jury's test, Bilinear transformation.

Unit-II State space analysis, Concept of State, State Vector, State models, State models of electrical, Realization of state models from transfer functions, controllable canonical from and observable canonical form, cascade realization, parallel realization Hamilton theorem, properties for state transition matrix discrete time state equation, state diagrams, realization of pulse transfer functions. Unit-III Nonlinear Systems, Introduction, Commom Physical Non linearities, Limit Cycle, The Phase Plane Method: Basic Concept, Singular Points, Stability of Nonlinear Systems, The Describing function Method: Basic Concept , Derivation of Describing Functions, Stability Analysis by Describing. TEXTBOOKS 1. 2. 3.

K.Ogata-Modem Control Engineering (ED.2)-PHI, 1995. KOgata-State Space Analysis of Control Systems-PHI, 1967. M.Gopal-Digital Control engineering- Wiley Eastern, 1988.

REFERENCES 1.

Charles LPhillips and Royee D. Harbor- Feed Back Control systems (ED.2)PHI, 1991

VI Semester B.Tech.(E&E) EE-605

4 Hrs./Week

DIGITAL COMPUTER ARCHITECTURE No. of questions to be set: 8(3 from Unit-I, 3 from Unit-II & 2 from Unit-III) No. of questions to be answered: 3 (2 from Unit-I. 2 from Unit -II & 1 from Unit-III) Unit-I Basic organisation: Accumulator based, stack oriented and general register machines. Instruction set: Instruction formats, encoding techniques, addressing modes, reduced instruction set computers. System Software: Assemblers, compilers, interpreters, linkers, loaders. Operating systems. Central Processing Unit: ALU- Basic ALU organisation, registers, adders, concept of bit slice processor, fast multiplication and division algorithms, floating point numbers IEEE format. math coprocessors. Unit-II Control Unit: Basic concepts, Hardwired and microprogrammed control unit, Micro instruction format, contrdl memory optimization. Memory Qrganisation : Review of different types of memory, comparison of speed, cost and application. Dynamic and static memories, refresh mechanisms, memory hierarchy, virtual memory, main memory, interleaved memory, associative memory, cache memory, memory management Input-Output Organisation: I/O mapped I/O, Memory mapped I/O, Programmed I/O, Interrupt driven I/O, DMA. I/O Processors. Unit -III Introduction to Parallel Processing: Basic concepts, classifications. Performance considerations, principles of pipe lining, array processors, multi processors, data flow computers, vector processors. Computer Communication: Need for computer networking, circuit switching and packet switching, Local Area Networks: Bus and Ring networks, Features of Ethernet LAN. TEXTBOOKS 1. M. Raffiquazzaman and Rajan Chandra -Modern Computer Architecture Galgotia, 1990. REFERENCES 1. 2. 3. 4.

J.P. Hays- computer Architecture and Organisation - MGH, 1988. V.C. Hamacher, Z. Vranesic and S. Zaky- Computer Organisation MGH.1990. . Tanenbaum AS. -Structured Computer Organisation- PHI, 1990. K. Hwang and F.A Briggs- Computer Architecture and Parallel Processing MGH,

1988.

VI Semester B.Tech.(E&E) EE-606

4 Hrs/Week UTILIZATION OF ELECTRICAL ENERGY

No. of questions to be set: 8 (3 from Unit-I, 3 from Unit-II & 2 from Unit-III) No of questions to be answered: 5 (2 from Unit-I, 2 from Unit -II & 1 from Unit-III) Unit-I Electric Traction: Requirements of an ideal traction system, systems of traction, Electric Traction, systems of track electrification, comparison between DC and AC traction. Traction motors, requirements of ideal traction motors, comparison of DC shunt, series, compound and induction motors as traction motor, control of traction motors- rheostat control, series parallel control, open circuit, shunt and bridge transition, field control. Tramways and trolley buses, Nature traction load, coefficient of adhesion, mechanics of train movement, tractate effort for acceleration, train resistance and gradient, main line and suburban services, speed time curves, specific energy consumption. Unit-II Electroplating: Electrolysis, Faradays law of electrolysis, calculation of current required and related definitions, factors governing the character of deposit, preparation of work for Electroplating, Electro- extraction and refining of copper and aluminum, electrolysis of water. Rectifier, earthing, agitation and filtering. Electric welding: Resistance welding- spot, seam, butt, projection and flash welding, power supply, arc welding, characteristics of arc, carbon arc and metallic arc welding, coated electrodes, control of current in welding transformers. Illumination: Electromagnetic radiation, visible specter, luminous flux, luminous intensity, illumination: luminance, MHCP MSCP maintenance factor, coefficient of utilization, law of illumination, lighting calculations, polar curves, Rousseau’s construction, construction and working of incandescent and fluorescent lamps Unit-III Electric Heating: Advantages of electric heating, classification of heating equipment's, methods of heat transfer, Resistance heating, resistance ovens, characteristics of heating elements, design of heating element, temperature control, induction heating, core type furnace, indirect vertical core type furnace, cordless induction furnace, indirect induction oven, high frequency eddy current heating, dielectric heating, arc furnaces. TEXTBOOKS 1. J.B. Gupta - Utilization of electrical Power and Electrical Traction - S.K. Kothari & Sons, 1994. REFERENCES 1. E. O. Taylor - utilization’s of electric Energy - Orient Longman, 1971.

2. 3.

C.L. Wadhwa - Generation, Distribution and Utilization of electrical energy Wiley Eastern, 1990. Suryanarayana N.V. - Utilization of Electrical Power including electric drives and Electric Traction - Wiley Eastern, 1994.

VI Semester B.Tech.(E&E) EE-607

3 Hrs./Week ELECTRICAL MACHINERY LAB -II

1.

Study of starters of induction motor.

2.

Load test on three phase induction motor.

3.

Torque slip characteristics of three phase slip ring induction motor for different rotor resistances. Separation of no load losses of induction motor.

4.

No load and blocked rotor tests on induction motor: Determination of performance parameters from (a) Equivalent circuit (b) Circle diagram.

5.

Load test on induction generators.

6.

Parallel operation of alternator, V and inverted V curves.

7.

V and inverted-V curves of synchronous motors.

8.

Measurement of direct and quadrature axis reactances of a salient pole Synchronous machine.

9.

Predetermination of regulation of alternator by EMF, MMF, ZPF methods.

10.

Measurement of Sub- transient reactance- (X"), Transient reactance (X') and synchronous reactance (Xs) of alternator.

VI Semester B.Tech.(E&E) 3 Hrs./Week EE608 MICROPROCESSOR LAB

1.

Familiarization of 8085 based microprocessor kits and their capabilities.

2.

Programming exercises using 8085 instruction set.

3.

Programming exercise using 8085 instruction set and monitor program available in the kit.

4.

Signal study of 8085 for various instructions.

5.

Interrupts in 8085.

6.

Interfacing peripherals -8255,8279,8253, 8251 and data converters.

7.

Programming exercises using micro controller and down loading of assembly Language program to micro controller for execution.

VI Semester B.E. (E & E) EE-603

4 Hrs/Week SPECIAL MACHINES AND DRIVES

No. of questions to be set: 8 (4 from Unit-I, 2 from unit-II & 2 from Unit-III) No. of questions to be answered: 5 (3 from Unit-I, unit-II & 1 from Unit-III) UNIT - I SPECIAL MACHINES: Construction, Principle of operation, Characteristics and applications of Permanent magnet motors, reluctance motors, switched reluctance motors, universal motors, stepping motors, servomotors, brushless dc motors, Linear induction motors, hysteresis motors, torque motors, moving coil motors. VARIABLE SPEED DRIVE SYSTEMS: Elements of a drive system, The mechanical system, compressor, centrifugal pump or fan, constant power drive, transportation drive, winch drive, crane hoist, required drive characteristics, speed changes, Electric power supply and selecting the drive elements. ELECTRIC DRIVES: Advantages of Electric drives, Factors affecting the choice of electric drives, Methods of closed loop control of drives, Selection of motor power rating, Thermal model of motor for heating and cooling, classes of motor duty, determination of motor rating, equivalent current, torque and power methods, short time duty, intermittent duty. MOTORS FOR ELECTRIC DRIVES: Performance characteristics of dc series, shunt and compound motors, Braking Regenerative, dynamic and plugging. Performance characteristics of squirrel cage and slip ring induction motors, Braking Regenerative, Dynamic and Plugging. UNIT - II DC MOTOR DRIVES: Transient analysis of separately excited motor with armature voltage control, Starting, dynamic braking and energy loss. Speed control: Armature voltage control, Flux control, Armature resistance control, Methods of speed control of single phase and three phase converter fed separately excited dc motor(Block diagram approach only), Speed control of chopper fed dc motor (Block diagram approach only), Four quadrant dc drive.

UNIT - III AC MOTOR DRIVES: Induction motor drive: Transient analysis - Starting and Plugging, Calculation of energy loss. Speed control Stator voltage control, Slip power recovery, E/f, V/f and flux weakening methods. Synchronous motor drive : Starting and speed control of synchronous motor, reluctance motor, permanent magnet motor.

TEXTBOOKS 1.

G. K. Dubey - Fundamentals of Electric Drives NAROSA, 1995.

REFERENCES 1. S. K. Pillai - First Course on Electric Drives – Wiley Eastern, 1990. 2. J.M.D. Murphy & F. G. Turnbull - Power Electronic Control AC Motors- Pergamon Press, 1988. 3. S. B. Dewan, G. R. Slemon, A. Straughen - Power Semiconductor Drives - John Wiley, 1984. 4. T.J.E. Miller - Brushless Permanent Magnet and Reluctance Motor Drives - Oxford Press, 1989.

VI Semester B.Tech. (E & E) PRINCIPLES OF COMMUNICATION SYSTEMS EE-604

4Hrs/Week

Question to be set:4 from Unit I and 4 from Unit-II Questions to be answered: Five questions to be answered taking at least two from each unit. Unit I 1. Introduction to Communication Systems: Elements of a general communication system, frequency translation and its need, internal and external noise. 2. Analog Modulation: Amplitude Modulation, generation and detection of AM., DSB-SC and SSB-SC, VSB, FDM. 3. Angle Modulation: Phase and frequency modulation, Transmission band width of FM, generation and detection of FM Signal NBFM and - WBFM, commercial FM broad cast signal. Preemphasis and De-emphasis circuits. 4. Pulse Modulations: Sampling of analog signal, Sampling theorem, PAM, PPM, PLDM Channel band width, TDM Pulse code modulation, modulationon noise. Delta and adaptive Delta Modulaton. Companding Channel Capacity. Unit -II 5. Digital Modulation: Binary communication, On-Off Keying, Frequcncy Shift Kcying(FSK), Phase shift keying(PSK), Detection of binary signals, Multi symbol signaling, Quadrature Amplitude Modulation(QAM), Modems: Application telephone data sets, error rate in binary transmission in the presence of Gaussian noise. Optimum decision levels. 6. Data Communication: Analog and Digital Data, Transmission Media. Asynchronous and Synchronous Transmission, Error detection techniques, Interfacing, communication Network, Circuit Switching, Message Switching, Packet Switching, Local Networks: Local Network technology, Bus/Tree topology, Ring topology, Medium Access Control Protocols: Bus/ tree topology-token Bus, Ring topology- token ring, IEEE 802 Ring LAN standard, FDDI Ring, HSLN standard.

7. ISDN: Concept, evolution, the user interface, objectives, benefits, Architecture, standards, Transmission structure- ISDN channels, subscriber loop technology, user access - user network interfaces, access configuration, ISDN protocols protocol architecture, connections, circuit and packet switching, D-channel protocols, Lap-D, call control, physical layer.

TEXTBOOKS 1 Taub & Schilling: Principles of communication systems, Int. student Ed. 2 Mischa Schwartz: Information, Transmission, Modulation & Wire, Int. Student Ed. 3. William Stallings: Data and Computer Communication, Max Well, Mc Millan International Ed. REFERENCES 1.

Siman Haykins: Comm. Systems, Wiley Eastern Edn.

2. B.P.Lathi: Modern Digital and Analog Communication Systems. 3. George Kennedy: Electronic Comm. Systems, TMH.

VI Semester B.Tech.(E&E) Power Electronics Laboratory EE-607 1.

3 Hrs./week

To conduct self – commutation of an SCR: (i) Observe the output voltage waveform with (a) fixed load, varying switching frequency and (b) fixed frequency, varying load. (ii)

Determine switching frequency at which commutation fails.

(iii)

Device turn-off time (td)

2.

To conduct resonant commutation of a SCR: (i)

Observe the output voltage waveform across the load resistance (a) at constant frequency, variable load and (b) constant load, variable frequency.

(ii)

Switching frequency at which commutation fails.

(iii)

Device turn-off time (td).

3.

To conduct complementary commutation of a SCR: (i)

Observe the output voltage waveform across the load resistance (a) at constant frequency, variable load and (b) constant load, variable frequency.

(ii)

Switching frequency at which commutation fails.

(iii)

Device turn-off time (td).

4.

To conduct auxilliary commutation of a SCR: (i)

Observe the output voltage waveform across the load resistance (a) at constant frequency, variable load and (b) constant load, variable frequency.

(ii)

Switching frequency at which commutation fails.

(iii)

Device turn-off time (td).

5. In a single-phase current source inverter (i) (ii) (iii)

Observe the output voltage waveform across the resistive load at different frequencies with fixed load. Observe the output voltage waveform with different load values at a fixed frequency. Determine the harmonics present in the output voltage waveform so obtained.

6.

In a thyristorised Buck Chopper circuit (i) Observe output voltage waveform at (a) fixed duty ratio, variable frequency and (b) fixed frequency, variable duty ratio. (ii)

Determine device turn-off time (td)

(iv)

Determine average output voltage.

7. Conduct speed control of a single-phase induction motor at no load with single-phase ac voltage regulator using TRIAC. 8. In SCR trainer circuit (i)

Plot anode voltage versus anode current at different gate current in an SCR.

(ii)

Mark forward breakover voltages, latching and holding current.

9. In UJT trainer circuit (i)

Plot V-I characteristics of UJT

(ii)

Determine intrinsic stand-off ratio and valley voltage.

10

In a single-phase, half and fully-controlled full-wave rectifier (i) (ii)

Observe the output voltage waveform across R and R-L load with freewheeling and without freewheeling diode. Determine output average voltage and ripple factor.

(i)

In a TRIAC trainer circuit Plot anode voltage versus anode current at different gate current in forward

11.

and reverse mode of an SCR. (ii) 12.

Mark forward and reverse breakover voltages, latching and holding current. In a SMPS circuit

(i) (ii) (iii)

To observe various voltage and switching waveforms on the SMPS circuit. To demonstrate the effect of load variation on the switching waveform. To measure the following (a) Ripple, (b) Load Regulation and (c) Line Regulation. (This experiment is optional for UG and compulsory for PG).

** Some fabrication works based on working of power electronics circuits need to be carried out on breadboards and then onto printed circuit boards.